html,body,#root{
  height: 100%;
  background-color: #fff;
}
html{
  font-size: 37.5px;
}
*{
  margin: 0;
  padding: 0;
}
.background{
  width: 100%;
  height: 100vh;
  background-color: #fff;
  position: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hidder{
  display: none;
}